/Companies

Energy Startups

5,975 companies tagged Energy, with their investors and founders.

Council Rock Enterprises

Council Rock is an industrial IoT engineering firm that develops hardware and software for utilities and critical infrastructure, including virtual power plants, DERMS integration, distribution automation communications, and edge computing. It serves markets such as smart grids, smart cities, renewables, water/wastewater, public safety, and intelligent transportation.

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Cow Gas

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COWBOY CLEAN FUELS, LLC

Cowboy Clean Fuels produces carbon-negative renewable natural gas and durable carbon removal credits using a patented biogenic process that injects biomass into idle coalbed methane infrastructure in the Powder River Basin. The company, spun out of University of Wyoming research, sells RNG and carbon dioxide removal (CDR) credits to buyers.

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CQC Impact Investors

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Critical Metals

Critical Metals Corp. is a rare earth mining and materials company developing the Tanbreez deposit in Greenland, spanning extraction, processing, and advanced materials manufacturing outside of China. Its rare earth elements and critical minerals supply industries including defense, aerospace, electric vehicles, wind energy, consumer electronics, and medical technologies, with a focus on Western supply chain diversification.

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CS Renewables

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CSD Nano

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CSES Group

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CSW Industrials

CSW Industrials is a diversified industrial company operating across three segments—Contractor Solutions, Specialized Reliability Solutions, and Engineered Building Solutions—producing niche value-added products under brands such as RectorSeal, TRUaire, Whitmore, and Jet-Lube. It serves end markets including HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail transportation.

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Cuprum Metals

Cuprum Metals develops a patented leaching technology for extracting copper and nickel from copper sulfide ores and tailings, achieving high recovery yields in minutes at room temperature. The process is aimed at mining operators and can be integrated into existing heap, vat, or agitation leaching systems with lower water and energy use.

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Curb

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CustomerFirst Energy Holdings

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Cyclum Renewables

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CZero

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Dakota Oil & Gas

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Daqus Energy

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Darrell Schmidt Enterprises

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DART Energy

DART Energy is an energy trading firm focused on short-term electricity markets in the US, using data analytics and machine learning to identify opportunities in volatile electricity markets. It executes trades across multiple markets and plans to expand into additional markets and electricity products.

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Dash Energy

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Davy Gas

Davy builds, owns, and operates modular on-site hydrogen electrolyzer units (40-ft skids) that produce hydrogen locally for fueling forklift fleets, yard equipment, and industrial process needs. It serves enterprise operations such as retail distribution centers, e-commerce fulfillment networks, home-improvement logistics hubs, and heavy industry including metalworking and power-generation utilities.

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Delaware River Solar

Delaware River Solar develops and operates community solar farms in New York State, providing renewable energy access to residential and business customers without requiring on-site installations. The company manages over 55 solar farms serving more than 25,000 subscribers with guaranteed cost savings.

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Delorean Power

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Delta Energy & Communications

Delta Global Network provides grid intelligence solutions through its QORTEX system, enabling the transition from reactive repair to predictive reliability for power grid operators.

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Delta Sand Investors

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